Desk 1: Signify grain yield (t/ha) of rice soon after diff erent P remedies: soil P content (% a) following Every single year at BatalagodaApatite in Sri Lanka is mined from Eppawala (Eppawala Rock Phosphate or ERP). The finely ground product is employed as being a direct application fertilizer for tea, rubber and coconut. ERP is surely an indiscr